*{
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
ul{
    list-style: none;
}
.tab--container{
    width: 800px;
    height: 500px;
    overflow: hidden;
    border:1px solid #7f7f7f;
    margin: auto;
}
.tab--toggleBar{
    height: 80px;
    font-size: 0px;
    background: #006666;
}
.tab--toggleBar__item{
    width: 33.3333%;
    line-height: 80px;
    color:#fff;
    text-align: center;
    display: inline-block;
    font-size: 16px;
    box-sizing: border-box;
    cursor: pointer;
    border:1px solid pink;
}
.tab--content{
    height: 420px;
    text-align: center;
    overflow: hidden;
    background: #536611;
    line-height: 1.2;
    color:#fff;
}
.tab--content__item{
    height: inherit;
    display: none;
}
.tab--toggleBar__item__active{
    background: #0074D9;
    color:#cccccc;
}
.tab--content__item__show{
    display: block;
}
